T-Mobile USA plans to double its high-speed wireless network coverage to reach a potential 200 million wireless users by the end of 2009 as it looks to catch up with rival services.

The unit of Deutsche Telekom, which has trailed far behind rivals such as Verizon Wireless, AT&T Inc and Sprint Nextel Corp in this service, said it currently offers high-speed services in about 130 U.S. cities.

The third-generation (3G) network expansion will cover another 100 cities, the company said on Wednesday.

It also said it will sell a high-speed data device made from China's Huawei Technologies Co to connect laptop computers to its wireless network, the first supply agreement between the two companies.

The device, which it called a WebConnect Laptop Stick, will connect to its 3G network and Wi-Fi, a short-range high-speed wireless network often found in cafes or other public places.

T-Mobile USA offers Wi-Fi in about 10,000 U.S. locations.

(Reporting by Sinead Carew; Editing by Derek Caney)

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